RegionDataFromFile.cxx

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#include "MdtCalibUtils/RegionDataFromFile.h"
 
#include "AthenaKernel/getMessageSvc.h"
#include "GaudiKernel/MsgStream.h"
#include <iostream>
 
#define MAX_VALUE 100000
 
namespace MuonCalib {
 
    RegionDataFromFile::id_vec RegionDataFromFile::getIdentifiers(int regionId) const {
        if (regionId >= 0 && regionId < (int)m_identifiersPerRegions.size()) {
            return m_identifiersPerRegions[regionId];
        } else {
            MsgStream log(Athena::getMessageSvc(), "RegionDataFromFile");
            log << MSG::WARNING << "getIdentifiers() <index out of range> " << regionId << " size " << m_identifiersPerRegions.size()
                << endmsg;
            return id_vec();
        }
    }
 
    bool RegionDataFromFile::addRegion(int regionId, const id_vec& ids) {
        if (regionId >= 0 && regionId < (int)m_identifiersPerRegions.size()) {
            m_identifiersPerRegions[regionId] = ids;
            return true;
        } else {
            MsgStream log(Athena::getMessageSvc(), "RegionDataFromFile");
            log << MSG::WARNING << "addRegion() <index out of range> " << regionId << " size " << m_identifiersPerRegions.size() << endmsg;
            return false;
        }
    }
 
    void RegionDataFromFile::clear() {
        m_nregions = 0;
        m_identifiersPerRegions.clear();
    }
 
    std::istream& RegionDataFromFile::read(std::istream& is) {
        // clear vector before starting to read
        m_identifiersPerRegions.clear();
 
        std::string dummy;
 
        // read header containing the total number of regions
        is >> dummy >> m_nregions;
        m_nregions = (m_nregions > MAX_VALUE) ? MAX_VALUE : m_nregions;
        // loop over all regions in file
        int regionId, nelements;
        for (int i = 0; i < static_cast<int>(m_nregions); ++i) {
            // read region header containing the region id and the number of identifiers
            is >> dummy >> regionId >> nelements;
            nelements = (nelements > MAX_VALUE) ? MAX_VALUE : nelements;
            if (regionId != i) {
                MsgStream log(Athena::getMessageSvc(), "RegionDataFromFile");
                log << MSG::WARNING << "read() <read wrong regionId> " << regionId << " current " << i << ". Aborting reading" << endmsg;
                clear();
                return is;
            }
 
            id_vec ids;
            ids.reserve(nelements);
 
            // loop over identifiers in file
            int s, e, p, m;
            for (int j = 0; j < nelements; ++j) {
                // read stName,eta,phi,ml
                is >> s >> e >> p >> m;
                ids.push_back(MultilayerId(s, e, p, m));
            }
 
            m_identifiersPerRegions.push_back(std::move(ids));
        }
 
        return is;
    }
 
    std::ostream& RegionDataFromFile::write(std::ostream& os) const {
        // write header
        os << "Regions " << m_identifiersPerRegions.size() << std::endl;
 
        // write regions
        for (unsigned int i = 0; i < m_identifiersPerRegions.size(); ++i) {
            unsigned int ids = m_identifiersPerRegions[i].size();
            os << "RegionId " << i << " " << ids << std::endl;
 
            // write ids
            for (unsigned int j = 0; j < ids; ++j) {
                MultilayerId id = m_identifiersPerRegions[i][j];
                os << "   " << id.stName << " " << id.eta << " " << id.phi << " " << id.ml << std::endl;
            }
        }
        return os;
    }
 
}  // namespace MuonCalib
 
std::istream& operator>>(std::istream& is, MuonCalib::RegionDataFromFile& data) { return data.read(is); }
 
std::ostream& operator<<(std::ostream& os, const MuonCalib::RegionDataFromFile& data) { return data.write(os); }